random delay between mob chase

src/engine/mobileAI/MobAI.java

@@ -898,7 +898,7 @@ public class MobAI {
 
             if(mob.getTimestamps().containsKey("lastChase") == false)
                 mob.getTimestamps().put("lastChase",System.currentTimeMillis());
-            else if(System.currentTimeMillis() < mob.getTimestamps().get("lastChase").longValue() + 1000)
+            else if(System.currentTimeMillis() < mob.getTimestamps().get("lastChase").longValue() + (750 + ThreadLocalRandom.current().nextInt(0,500)))
                     return;
 
             mob.getTimestamps().put("lastChase",System.currentTimeMillis());